Okay kiddo, so have you ever seen a magic show where a magician makes things disappear in the air? Well, fluidized bed combustion works a bit like that, but instead of making things like rabbits disappear, it is used to burn things like coal.
Imagine you have a box filled with sand or small balls, and you blow air from underneath the box. The sand starts to move around and behave like a liquid, but it never overflows. This is called a fluidized bed.
Now, instead of sand, we put in tiny pieces of coal, wood chips, or other fuels, and blow air from underneath. The mixture of fuel and air creates a hot and fiery environment which helps burn the fuel. But unlike regular burning, the fuel particles are not completely burned and turned into ashes. The leftover smaller particles keep floating around the box and keep burning in the air.
This is how fluidized bed combustion works: by creating a fluid-like mixture of fuel and air to burn it efficiently. It also makes it easier to control the temperature and pollution levels of the burning process.
So, like a magician, this technology can turn ordinary things like solid fuels into a magical fiery show that is cleaner and more efficient!